Rachel Meller was never close to her aunt Lisbeth, a cool, unemotional woman with a drawling Viennese-Californian accent, a cigarette in her hand. But when Lisbeth died, she left Rachel an intricately carved Chinese box with a sunflower clasp. Inside the box were photographs, letters and documents that led Rachel to uncover a story she had never known: that of a passionate Jewish teenager growing ...